Features:
Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
Each piston features a low-noise skirt profile, a 1.5 mm steel gas-nitride top ring, 1.5 mm Napier second ring, and a 3.0 mm oil ring, and comes with .927" × 2.250" pins with a .180" wall.
For supercharged, turbocharged & nitrous applications
4.065 Bore, 3.622 Stroke, 6.125 Rod, 1.300 Compression Height, -10.7cc Dish, Advertised Weight N/A